/* ============ B计划 · PLAN B ============
   设计方向：求生手册 / 编辑部实用主义
   基调：暖墨黑 + 信号琥珀 + 米白文字
=========================================== */

:root {
  --bg: #131110;
  --bg-alt: #1a1715;
  --surface: #1f1b18;
  --surface-2: #26211d;
  --ink: #f0e9dd;
  --ink-dim: #b3a896;
  --ink-faint: #7d7363;
  --accent: #f5a623;
  --accent-soft: #f5a62322;
  --accent-ink: #241a05;
  --ok: #7ccb6b;
  --warn: #f5c84c;
  --bad: #e06c5a;
  --line: #3a332c;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { margin:0; padding:0; box-sizing:border-box; }

/* 保证 hidden 属性永远生效，防止被 display:flex 等覆盖 */
[hidden] { display:none !important; }

html { scroll-behavior:smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height:1.7;
  -webkit-font-smoothing: antialiased;
}

::selection { background:var(--accent); color:var(--accent-ink); }

.container { max-width:1120px; margin:0 auto; padding:0 24px; }

/* ============ Header ============ */
.site-header {
  position: sticky; top:0; z-index:50;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner { display:flex; align-items:center; justify-content:space-between; height:64px; }

.brand { display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--ink); }
.brand-mark {
  display:grid; place-items:center;
  width:38px; height:38px; border-radius:8px;
  background:var(--accent); color:var(--accent-ink);
  font-weight:800; font-size:20px; font-family:Georgia, serif;
  box-shadow:0 4px 14px rgba(245,166,35,.35);
}
.brand-text { font-weight:700; font-size:18px; letter-spacing:1px; }
.brand-sub { display:block; font-size:10px; letter-spacing:3px; color:var(--ink-faint); font-weight:400; }

.main-nav { display:flex; gap:28px; }
.main-nav a { color:var(--ink-dim); text-decoration:none; font-size:14px; transition:color .2s var(--ease); }
.main-nav a:hover { color:var(--accent); }

.nav-toggle { display:none; background:none; border:none; color:var(--ink); font-size:22px; cursor:pointer; }

/* ============ Hero ============ */
.hero {
  padding: clamp(72px, 10vw, 130px) 0 clamp(56px, 8vw, 96px);
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(245,166,35,.08), transparent 60%),
    radial-gradient(ellipse 60% 50% at 15% 80%, rgba(245,166,35,.05), transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
}

.hero-eyebrow {
  font-size:13px; letter-spacing:4px; color:var(--accent);
  font-weight:600; text-transform:uppercase; margin-bottom:20px;
}

.hero-title {
  font-size: clamp(40px, 7vw, 76px);
  line-height:1.12; font-weight:800; letter-spacing:1px;
  max-width: 12em;
}
.hero-title em {
  font-style:normal; color:var(--accent);
  position:relative; white-space:normal;
}
.hero-title em::before {
  content:"\a"; display:none;
}
.hero-title em::after {
  content:""; position:absolute; left:0; right:0; bottom:6px; height:10px;
  background:var(--accent-soft); z-index:-1; border-radius:4px;
}

.hero-sub {
  margin-top:24px; max-width:560px;
  color:var(--ink-dim); font-size:clamp(15px, 2vw, 18px);
}

.hero-stats { display:flex; gap:clamp(28px, 5vw, 64px); margin-top:40px; flex-wrap:wrap; }
.stat { display:flex; flex-direction:column; }
.stat-num { font-size:clamp(28px,4vw,40px); font-weight:800; color:var(--ink); font-family:Georgia,serif; }
.stat-label { font-size:12px; color:var(--ink-faint); letter-spacing:2px; }

.hero-actions { display:flex; gap:16px; margin-top:44px; flex-wrap:wrap; }

.btn {
  display:inline-block; padding:14px 30px; border-radius:999px;
  font-size:15px; font-weight:600; text-decoration:none;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:active { transform:translateY(1px); }
.btn-primary { background:var(--accent); color:var(--accent-ink); box-shadow:0 6px 20px rgba(245,166,35,.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 10px 28px rgba(245,166,35,.4); }
.btn-ghost { border:1px solid var(--line); color:var(--ink); }
.btn-ghost:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }
.btn-forum { background:transparent; border:1px solid var(--accent); color:var(--accent); }
.btn-forum:hover { background:var(--accent); color:var(--accent-ink); transform:translateY(-2px); box-shadow:0 10px 28px rgba(245,166,35,.35); }

/* ============ Sections ============ */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section-alt { background:var(--bg-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

.section-head { display:flex; gap:20px; align-items:flex-start; margin-bottom:36px; }
.section-index {
  font-family:Georgia, serif; font-size:clamp(28px,4vw,44px); font-weight:700;
  color:var(--accent); line-height:1; opacity:.9;
}
.section-title { font-size:clamp(26px, 3.4vw, 40px); font-weight:800; letter-spacing:1px; }
.section-desc { margin-top:8px; color:var(--ink-dim); font-size:14.5px; max-width:640px; }
.section-desc b { color:var(--accent); }

/* ============ Filter chips ============ */
.filter-bar { display:flex; flex-wrap:wrap; gap:10px; margin-bottom:32px; }
.filter-chip {
  padding:8px 18px; border-radius:999px; border:1px solid var(--line);
  background:transparent; color:var(--ink-dim); font-size:13.5px; cursor:pointer;
  transition:all .2s var(--ease);
}
.filter-chip:hover { border-color:var(--accent); color:var(--accent); }
.filter-chip.is-active { background:var(--accent); border-color:var(--accent); color:var(--accent-ink); font-weight:600; }

/* ============ Hero Portal（板块入口） ============ */
.hero-portal {
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:14px;
  margin-top:36px;
  max-width:840px;
}
.portal-link {
  display:flex; flex-direction:column; align-items:center; gap:6px;
  text-align:center; text-decoration:none;
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); padding:18px 10px;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.portal-link:hover {
  transform:translateY(-4px); border-color:var(--accent);
  box-shadow:0 12px 28px rgba(0,0,0,.35);
}
.portal-ico { font-size:26px; line-height:1; filter:drop-shadow(0 4px 10px rgba(245,166,35,.25)); }
.portal-txt b { display:block; font-size:14px; color:var(--ink); font-weight:700; letter-spacing:.5px; }
.portal-txt i { display:block; font-style:normal; font-size:11px; color:var(--ink-faint); margin-top:2px; }

/* ============ Hero Search ============ */
.hero-search {
  position:relative; margin-top:36px; max-width:560px;
}
.hero-search .search-icon {
  position:absolute; left:18px; top:50%; transform:translateY(-50%);
  color:var(--ink-faint); pointer-events:none;
}
#global-search {
  width:100%; padding:15px 52px 15px 46px;
  background:var(--surface); border:1px solid var(--line);
  border-radius:999px; color:var(--ink); font-size:15px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
#global-search::placeholder { color:var(--ink-faint); }
#global-search:focus {
  outline:none; border-color:var(--accent);
  box-shadow:0 0 0 4px var(--accent-soft);
}
#search-clear {
  position:absolute; right:14px; top:50%; transform:translateY(-50%);
  width:26px; height:26px; border-radius:50%; border:none;
  background:var(--surface-2); color:var(--ink-faint); cursor:pointer;
  font-size:12px; line-height:1; display:none; align-items:center; justify-content:center;
}
#search-clear:hover { color:var(--accent); }
.search-hint { margin-top:12px; font-size:12px; color:var(--ink-faint); letter-spacing:.5px; }

/* ============ Featured ============ */
.featured-block {
  position:relative;
  padding:24px 22px 20px;
  margin-bottom:40px;
  background:
    linear-gradient(180deg, rgba(245,166,35,.05), transparent 70%);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}
.featured-block::before {
  content:""; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, var(--accent), transparent 60%);
}
.featured-bar { margin-bottom:0; }
.featured-title {
  display:flex; align-items:center; gap:12px;
  font-size:16px; font-weight:700; margin-bottom:16px;
}
.featured-sub { font-size:12px; font-weight:400; color:var(--ink-faint); }
.featured-grid {
  display:grid; grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));
  gap:18px;
}
.card-featured {
  border-color:#5a4a28; background:linear-gradient(180deg, #26200f 0%, var(--surface) 60%);
}
.card-featured::before { opacity:1; }
.card-featured .card-name::after {
  content:"★ 推荐"; display:inline-block; margin-left:8px;
  font-size:10px; font-weight:700; color:var(--accent-ink);
  background:var(--accent); border-radius:4px; padding:1px 7px;
  vertical-align:middle; letter-spacing:1px;
}

/* ============ List toolbar（主列表工具栏，紧贴列表上方） ============ */
.list-toolbar {
  display:flex; flex-direction:column; gap:12px;
  margin:0 0 22px;
  padding:16px 18px 14px;
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:14px;
}
.list-toolbar .quick-bar { margin-bottom:0; }
.list-toolbar .filter-bar { margin-bottom:0; }

/* ============ Quick filter ============ */
.quick-bar { display:flex; align-items:center; flex-wrap:wrap; gap:10px; margin-bottom:14px; }
.quick-label { font-size:12px; color:var(--ink-faint); letter-spacing:2px; margin-right:4px; }
.quick-chip {
  padding:6px 16px; border-radius:999px; border:1px solid var(--line);
  background:transparent; color:var(--ink-dim); font-size:13px; cursor:pointer;
  transition:all .2s var(--ease);
}
.quick-chip:hover { border-color:var(--accent); color:var(--accent); }
.quick-chip.is-active {
  background:var(--accent-soft); border-color:var(--accent); color:var(--accent);
  font-weight:600;
}

/* ============ Result count & Load more ============ */
.result-count {
  font-size:12.5px; color:var(--ink-faint); margin:2px 0 14px;
  letter-spacing:.5px;
}
.load-more-wrap { text-align:center; margin-top:32px; }
.load-more {
  padding:12px 36px; border-radius:999px; cursor:pointer;
  background:transparent; border:1px solid var(--line); color:var(--ink-dim);
  font-size:14px; font-weight:600; transition:all .2s var(--ease);
}
.load-more:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }

.empty-reset {
  display:inline-block; margin-top:12px; padding:8px 20px; border-radius:999px;
  background:var(--accent); color:var(--accent-ink); border:none;
  font-size:13px; font-weight:600; cursor:pointer;
}

/* ============ Grid & Cards ============ */
.grid {
  display:grid; grid-template-columns:repeat(auto-fill, minmax(320px, 1fr));
  gap:20px;
}

.card {
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 22px 18px;
  display:flex; flex-direction:column; gap:10px;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
  position:relative; overflow:hidden;
}
.card::before {
  content:""; position:absolute; inset:0 0 auto 0; height:3px;
  background:linear-gradient(90deg, var(--accent), transparent 70%);
  opacity:0; transition:opacity .25s var(--ease);
}
.card:hover { transform:translateY(-4px); border-color:#4a4136; box-shadow:var(--shadow); }
.card:hover::before { opacity:1; }

.card-top { display:flex; align-items:flex-start; justify-content:space-between; gap:10px; }
.card-name { font-size:18px; font-weight:700; letter-spacing:.5px; }
.card-cat {
  font-size:11px; color:var(--accent); border:1px solid var(--accent-soft);
  background:var(--accent-soft); padding:2px 10px; border-radius:999px;
  white-space:nowrap;
}
.card-desc { font-size:13.5px; color:var(--ink-dim); flex:1; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; cursor:pointer; transition:color .15s; }
.card-desc:hover { color:var(--ink); }
.card-desc.expanded { display:block; -webkit-line-clamp:unset; }

.card-meta { display:flex; flex-wrap:wrap; gap:6px; margin-top:4px; }
.tag {
  font-size:11.5px; padding:3px 10px; border-radius:6px;
  background:var(--surface-2); color:var(--ink-faint);
}
.tag-rating { font-weight:700; }
.tag-rating.A { background:#1f2e1b; color:var(--ok); }
.tag-rating.B { background:#2e2a18; color:var(--warn); }
.tag-rating.C { background:#2e1d1a; color:var(--bad); }
.tag-eng { background:#1a2430; color:#7fb2e8; }
.tag-invest { background:#301d1a; color:#e8977a; }

.card-income { font-size:13px; color:var(--ink); margin-top:2px; }
.card-income b { color:var(--accent); font-weight:600; }
.card-audience { font-size:12px; color:var(--ink-faint); }

.card-link {
  margin-top:8px; font-size:13.5px; color:var(--accent); text-decoration:none;
  font-weight:600; display:inline-flex; align-items:center; gap:6px;
}
.card-link:hover { text-decoration:underline; }

.card-actions { display:flex; flex-wrap:wrap; align-items:center; gap:14px; }
.card-forum {
  margin-top:8px; font-size:13.5px; color:var(--ink); text-decoration:none;
  font-weight:600; display:inline-flex; align-items:center; gap:6px;
  border:1px solid var(--line); padding:4px 12px; border-radius:999px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.card-forum:hover { color:var(--accent); border-color:var(--accent); text-decoration:none; }

.card-guide { margin-top:6px; }
.guide-toggle {
  background:var(--surface-2); color:var(--ink); border:1px solid var(--line);
  font-size:12.5px; padding:6px 14px; border-radius:8px; cursor:pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.guide-toggle:hover { color:var(--accent); border-color:var(--accent); }
.guide-content {
  margin-top:10px; background:var(--bg-alt); border:1px solid var(--line);
  border-radius:10px; padding:14px 16px;
}
.guide-content pre {
  font-family:inherit; font-size:13px; line-height:1.75; color:var(--ink-dim);
  white-space:pre-wrap; word-break:break-word; margin:0;
}

/* ============ Daily placeholder ============ */
.daily-placeholder {
  border:1.5px dashed var(--line); border-radius:var(--radius);
  padding: clamp(40px, 6vw, 72px) 24px; text-align:center;
  background: var(--bg-alt);
}
.daily-badge {
  display:inline-block; font-size:11px; letter-spacing:4px; color:var(--accent-ink);
  background:var(--accent); padding:6px 18px; border-radius:999px; font-weight:700;
  margin-bottom:16px;
}
.daily-placeholder h3 { font-size:22px; margin-bottom:8px; }
.daily-placeholder p { color:var(--ink-faint); font-size:14px; }

/* ============ Daily content（信息差日报动态渲染） ============ */
.daily-content { display:grid; gap:16px; }
.daily-block {
  background: var(--surface);
  border:1px solid var(--line); border-radius:var(--radius);
  padding:18px 20px;
}
.daily-block-title {
  display:flex; align-items:center; gap:8px;
  font-size:15px; letter-spacing:.5px; margin-bottom:12px;
  color: var(--ink);
}
.daily-list { list-style:none; margin:0; padding:0; display:grid; gap:10px; }
.daily-item {
  display:flex; flex-wrap:wrap; align-items:baseline; gap:4px 8px;
  font-size:14px; line-height:1.6;
  padding:10px 12px;
  border-radius:8px;
  background: var(--surface-2);
  border:1px solid transparent;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.daily-item:hover { border-color:var(--line); transform:translateX(2px); }
.daily-name { color:var(--ink); text-decoration:none; font-weight:600; }
.daily-name:hover { color:var(--accent); text-decoration:underline; }
.daily-desc { color:var(--ink-dim); font-size:13px; flex:1 1 220px; }
.daily-stars, .daily-score { color:var(--accent); font-size:13px; white-space:nowrap; }
.daily-empty { color:var(--ink-faint); font-size:14px; padding:8px 0; }
.daily-loading { color:var(--ink-faint); font-size:14px; text-align:center; padding:32px 0; }

/* ============ Ad slots（广告位） ============ */
.ad-zone { padding:22px 0; }
.ad-zone + .section, .ad-zone + .site-footer { border-top:none; }
.ad-slot {
  display:flex; align-items:center; justify-content:center;
  min-height:72px;
  margin:24px 0;
  padding:14px 20px;
  border:1.5px dashed var(--line);
  border-radius:12px;
  background:
    repeating-linear-gradient(135deg, transparent, transparent 12px, rgba(245,166,35,.02) 12px, rgba(245,166,35,.02) 24px),
    var(--bg-alt);
  transition: border-color .2s var(--ease);
}
.ad-slot:hover { border-color:#5a4a28; }
.ad-slot--wide { min-height:90px; }
.ad-hint {
  font-size:12px; letter-spacing:2px; color:var(--ink-faint);
  text-transform:uppercase; user-select:none;
}
.section-alt .ad-slot { background:
  repeating-linear-gradient(135deg, transparent, transparent 12px, rgba(245,166,35,.02) 12px, rgba(245,166,35,.02) 24px),
  var(--surface); }

/* ============ Footer ============ */
.site-footer { border-top:1px solid var(--line); padding:36px 0; }
.footer-inner { display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; color:var(--ink-faint); font-size:13px; }
.footer-note { color:var(--ink-faint); }

/* ============ Empty state ============ */
.empty-state {
  grid-column:1/-1; text-align:center; padding:48px 0; color:var(--ink-faint);
  border:1.5px dashed var(--line); border-radius:var(--radius);
}

/* ============ Nav auth ============ */
.nav-auth { display:flex; align-items:center; gap:10px; }
.btn-auth {
  padding:7px 18px; border-radius:999px; cursor:pointer;
  background:var(--accent); color:var(--accent-ink); border:none;
  font-size:13px; font-weight:600; transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.btn-auth:hover { transform:translateY(-1px); box-shadow:0 6px 16px rgba(245,166,35,.3); }
.btn-auth-ghost {
  background:transparent; border:1px solid var(--line); color:var(--ink-dim);
  padding:6px 14px; font-weight:400;
}
.btn-auth-ghost:hover { border-color:var(--accent); color:var(--accent); box-shadow:none; }
.auth-ok { display:flex; align-items:center; gap:10px; }
.auth-name { font-size:12.5px; color:var(--ink-dim); max-width:180px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ============ Auth modal ============ */
.modal-backdrop {
  position:fixed; inset:0; z-index:100;
  background:rgba(10,8,6,.72); backdrop-filter:blur(4px);
  display:flex; align-items:center; justify-content:center; padding:20px;
}
.modal {
  position:relative; width:100%; max-width:420px;
  background:var(--surface); border:1px solid var(--line); border-radius:16px;
  padding:32px 30px 24px; box-shadow:0 24px 60px rgba(0,0,0,.5);
  animation:modalIn .25s var(--ease);
}
@keyframes modalIn { from { opacity:0; transform:translateY(14px) scale(.98); } to { opacity:1; transform:none; } }
.modal-close {
  position:absolute; top:14px; right:14px; width:30px; height:30px;
  border-radius:50%; border:none; background:var(--surface-2);
  color:var(--ink-faint); cursor:pointer; font-size:13px;
}
.modal-close:hover { color:var(--accent); }
.modal-title { font-size:22px; font-weight:800; }
.modal-sub { font-size:13px; color:var(--ink-faint); margin-top:4px; }
.modal-tabs { display:flex; gap:8px; margin:22px 0 18px; background:var(--bg-alt); padding:5px; border-radius:12px; }
.modal-tab {
  flex:1; padding:9px 0; border-radius:9px; border:none; cursor:pointer;
  background:transparent; color:var(--ink-dim); font-size:14px; font-weight:600;
  transition:all .2s var(--ease);
}
.modal-tab.is-active { background:var(--surface-2); color:var(--ink); }
.modal-form { display:flex; flex-direction:column; gap:6px; }
.modal-label { font-size:12.5px; color:var(--ink-dim); margin-top:4px; }
.modal-form input {
  padding:12px 16px; border-radius:10px; background:var(--bg-alt);
  border:1px solid var(--line); color:var(--ink); font-size:14.5px;
  transition:border-color .2s var(--ease);
}
.modal-form input:focus { outline:none; border-color:var(--accent); }
.modal-form input::placeholder { color:var(--ink-faint); }
.auth-error {
  display:none; font-size:13px; color:var(--bad); margin:6px 0 2px;
}
.auth-submit { margin-top:12px; border:none; cursor:pointer; text-align:center; }
.auth-submit:disabled { opacity:.6; cursor:default; }
.modal-tip { margin-top:16px; font-size:11.5px; color:var(--ink-faint); text-align:center; }

/* ============ Resource library ============ */
.resource-lock {
  text-align:center; padding:clamp(36px, 5vw, 56px) 24px;
  border:1.5px dashed var(--line); border-radius:var(--radius); background:var(--bg-alt);
}
.resource-lock h3 { font-size:20px; margin-bottom:10px; }
.resource-lock p { color:var(--ink-faint); font-size:14px; max-width:440px; margin:0 auto 22px; }
.resource-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(320px, 1fr)); gap:20px; }
.resource-card {
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px; display:flex; flex-direction:column; gap:10px;
  transition:transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.resource-card:hover { transform:translateY(-4px); border-color:#4a4136; box-shadow:var(--shadow); }
.resource-top { display:flex; align-items:flex-start; justify-content:space-between; gap:10px; }
.resource-name { font-size:17px; font-weight:700; line-height:1.4; }
.resource-cat {
  font-size:11px; color:var(--accent); border:1px solid var(--accent-soft);
  background:var(--accent-soft); padding:2px 10px; border-radius:999px; white-space:nowrap;
}
.resource-desc { font-size:13.5px; color:var(--ink-dim); flex:1; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; cursor:pointer; transition:color .15s; }
.resource-desc:hover { color:var(--ink); }
.resource-desc.expanded { display:block; -webkit-line-clamp:unset; }
.resource-meta { display:flex; flex-wrap:wrap; gap:6px; }
.resource-actions { display:flex; flex-direction:column; gap:10px; margin-top:6px; }
.btn-sm { padding:10px 22px; font-size:13.5px; border:none; cursor:pointer; text-align:center; }
.btn-sm:disabled { opacity:.6; cursor:default; }
.resource-linkbox {
  background:var(--bg-alt); border:1px solid var(--line); border-radius:10px;
  padding:14px 16px;
}
.resource-link-line { font-size:13px; color:var(--ink); margin-bottom:6px; word-break:break-all; }
.resource-link-line a { color:var(--accent); }
.resource-pass {
  color:var(--accent); background:var(--accent-soft); padding:1px 10px; border-radius:6px;
  font-size:14px; letter-spacing:2px;
}
.resource-link-tip { font-size:11.5px; color:var(--ink-faint); margin-top:6px; }

/* ============ Visual polish（整体视觉增强） ============ */

/* Hero 背景纹理 + 顶部光晕 */
.hero { position:relative; overflow:hidden; }
.hero::before {
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(245,166,35,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,.035) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%);
}

/* Hero 标题描边光晕 */
.hero-title em { text-shadow:0 0 42px rgba(245,166,35,.35); }
.hero-eyebrow::after {
  content:""; display:inline-block; width:44px; height:2px;
  background:var(--accent); vertical-align:middle; margin-left:12px;
  border-radius:2px;
}

/* 按钮渐变升级 */
.btn-primary {
  background:linear-gradient(135deg, #ffb340 0%, var(--accent) 55%, #e08f00 100%);
  box-shadow:0 8px 26px rgba(245,166,35,.32), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 14px 34px rgba(245,166,35,.45), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-forum:hover { box-shadow:0 10px 28px rgba(245,166,35,.35), inset 0 1px 0 rgba(255,255,255,.12); }

/* 卡片 hover 光晕 */
.card:hover, .resource-card:hover {
  box-shadow:var(--shadow), 0 0 0 1px rgba(245,166,35,.14), 0 0 34px rgba(245,166,35,.06);
}

/* 区块标题装饰线 */
.section-head { position:relative; }
.section-head::after {
  content:""; position:absolute; left:0; right:0; bottom:-10px; height:1px;
  background:linear-gradient(90deg, var(--line), transparent 80%);
}

/* 入场动效 */
.section { animation:sectionIn .5s var(--ease) both; }
@keyframes sectionIn { from { opacity:0; transform:translateY(14px); } to { opacity:1; transform:none; } }

/* 加载更多按钮悬停上浮 */
.load-more { transition:all .25s var(--ease); }

/* 快速筛选 chips 悬停增强 */
.quick-chip { transition:all .22s var(--ease); }
.quick-chip:hover { transform:translateY(-1px); }

/* 搜索框聚焦光晕微调 */
#global-search:focus { box-shadow:0 0 0 4px var(--accent-soft), 0 0 22px rgba(245,166,35,.12); }

/* ============ Responsive ============ */
@media (max-width: 720px) {
  .main-nav { display:none; }
  .nav-toggle { display:block; }
  .main-nav.open {
    display:flex; flex-direction:column; gap:16px;
    position:absolute; top:64px; left:0; right:0;
    background:var(--bg); padding:20px 24px; border-bottom:1px solid var(--line);
  }
  .grid { grid-template-columns:1fr; }
  .featured-grid { grid-template-columns:1fr; }
  .resource-grid { grid-template-columns:1fr; }
  .section-head { flex-direction:row; }
  .hero-search { max-width:100%; }
  .hero-portal { grid-template-columns:repeat(2, 1fr); max-width:100%; }
  .portal-link { padding:14px 8px; }
  .auth-name { max-width:90px; }
  .modal { padding:26px 20px 20px; }
  .list-toolbar { padding:14px 14px 12px; }
  .ad-slot--wide { min-height:76px; margin:18px 0; }
}

@media (max-width: 420px) {
  .hero-portal { grid-template-columns:1fr; }
  .portal-link { flex-direction:row; justify-content:flex-start; gap:12px; padding:12px 16px; text-align:left; }
  .portal-txt i { margin-top:0; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition:none !important; scroll-behavior:auto !important; }
}